.flex {
    display: flex;
    align-items: center;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-space-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-item-center {
    flex: 1;
    text-align: center;
}

.flex-item-right {
    flex: 1;
    text-align: right;
}

.flex-item-left {
    flex: 1;
    text-align: left;
}

.white-background {
    border-radius: 8px;
    background-color: #FFFFFF;
    padding: 10px 20px;
    box-shadow: 2px 2px 4px #ededed;
}

.text-center {
    text-align: center;
}

.margin-bottom {
    margin-bottom: 20px;
}

.margin-top {
    margin-top: 20px;
}

/* 定义滚动条样式 */
::-webkit-scrollbar {
    width: 0;
    background-color: #f8f8f8;
}

/*定义滚动条轨道 内阴影+圆角*/
::-webkit-scrollbar-track {
    box-shadow: inset 0 0 0 rgba(240, 240, 240, .5);
    border-radius: 10px;
    background-color: #f8f8f8;
}

/*定义滑块 内阴影+圆角*/
::-webkit-scrollbar-thumb {
    border-radius: 10px;
    box-shadow: inset 0 0 0 gray;
    background-color: #eae5e5;
}

.bg {
    z-index: -1;
    position: absolute;
    width: 100%;
    top: 0;
    bottom: 0;
}

.front {
    z-index: 1;
}

a {
    color: inherit; /* 使用继承颜色 */
    text-decoration: none; /* 去除下划线 */
}

.border-radius-10 {
    border-radius: 10px;
}

.el-button {
    letter-spacing: 3px;
}